Skip to main content

Full text of "USPTO Patents Application 10772111"

See other formats 


FIG. 1 



START 




RUN TRAINING WORKLOAD ON 
SERVER 

202 



I 



GATHER INSTRUMENTATION 
SIGNALS FROM SERVER 
204 



T 



DETERMINE CORRELATIONS 
BETWEEN INSTRUMENTATION 
SIGNALS 
206 



FIG. 2 



CORRELATIONS 
BETWEEN INSTRUMENTATION 
SIGNALS 

110 



REAL 
WORKLOAD 

302 



SERVER 
104 




ESTIMATED 
SIGNALS 
309 



DIFFERENCE 

FUNCTION 
GENERATOR 
312 




DIFFERENCES 
314 

SEQUENTIAL 
PROBABILITY 
RATIO TEST 
316 



INSTRUMENTATION 
SIGNALS 307 



SWAPPING MECHANISM THAT 
SWAPS MSET ESTIMATE IN PLACE 
OF SIGNAL FROM FAILED SENSOR 

318 



FIG. 3 



C START J 



RUN REAL WORKLOAD ON SERVER 

402 









r 


GATHER INSTRUMENTATION 
SIGNALS FROM SERVER 
404 




DETERMINE IF SENSOR HAS 
FAILED 
410 






GENERATE ESTIMATED SIGNALS 
FROM INSTRUMENTATION SIGNALS 

406 




^^-^-fAILE^--.^ NO 
SENSOR? ]^ 




r 


J' YES 


COMPARE ESTIMATED SIGNALS 
WITH INSTRUMENTATION SIGNALS 
408 






USE ESTIMATED SIGNAL IN PLACE 
OF SIGNAL FROM FAILED SENSOR 
414 



FIG. 4